ES295802U - Rotary spiral-screw floats for nautical craft or the like. - Google Patents
Rotary spiral-screw floats for nautical craft or the like.Info
- Publication number
- ES295802U ES295802U ES1985295802U ES295802U ES295802U ES 295802 U ES295802 U ES 295802U ES 1985295802 U ES1985295802 U ES 1985295802U ES 295802 U ES295802 U ES 295802U ES 295802 U ES295802 U ES 295802U
- Authority
- ES
- Spain
- Prior art keywords
- rotary spiral
- spiral
- nautical craft
- screw
- screw floats
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/38—Propulsive elements directly acting on water characterised solely by flotation properties, e.g. drums
Abstract
The spiral-screw float according to the invention has a general shape which is inscribed within a cylinder provided with at least one recessed groove (1) extending over all or part of the float in a spiral, and having a front portion (2), a central portion (3) and a rear portion (4), and is essentially characterised in that the front portion (2) is equal to the length of the pitch of the groove or grooves (1), divided by the number of grooves.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8403968A FR2561202A1 (en) | 1984-03-13 | 1984-03-13 | IMPROVEMENTS IN ROTARY HELICOID FLOATS FOR NAUTICAL OR OTHER GEARBOATS |
Publications (2)
Publication Number | Publication Date |
---|---|
ES295802U true ES295802U (en) | 1987-06-16 |
ES295802Y ES295802Y (en) | 1987-12-16 |
Family
ID=9302051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1985295802U Expired ES295802Y (en) | 1984-03-13 | 1985-03-13 | ROTARY FLOAT FOR NAUTICAL AND SIMILAR MACHINES. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0161198A1 (en) |
ES (1) | ES295802Y (en) |
FR (1) | FR2561202A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2473447C2 (en) * | 2011-02-25 | 2013-01-27 | Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" | Screw propulsor |
RU2472664C2 (en) * | 2011-03-11 | 2013-01-20 | Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" | Conical propulsor |
RU2472663C2 (en) * | 2011-03-30 | 2013-01-20 | Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" | Drive propulsor |
RU2482000C2 (en) * | 2011-04-04 | 2013-05-20 | Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" | Screw propulsor |
RU2470827C1 (en) * | 2011-04-04 | 2012-12-27 | Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" | Direct-flow propulsor |
NO337409B1 (en) * | 2014-11-19 | 2016-04-11 | Ivan Nilsen | Hull for a vessel |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR85615E (en) * | 1964-04-09 | 1965-09-17 | Propeller device simultaneously ensuring the movements and buoyancy of nautical vehicles | |
FR2034240B1 (en) * | 1969-02-27 | 1975-08-01 | Justinien Marcel | |
FR2229604B1 (en) * | 1973-05-18 | 1976-05-07 | Justinien Marcel |
-
1984
- 1984-03-13 FR FR8403968A patent/FR2561202A1/en not_active Withdrawn
-
1985
- 1985-03-11 EP EP85450005A patent/EP0161198A1/en not_active Withdrawn
- 1985-03-13 ES ES1985295802U patent/ES295802Y/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES295802Y (en) | 1987-12-16 |
EP0161198A1 (en) | 1985-11-13 |
FR2561202A1 (en) | 1985-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1K | Utility model lapsed |
Effective date: 20001102 |